78641220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{1657}}^1$

素因数の和:1789

約数の個数: 96

約数和(自身を含む): 254032128

約数和(自身を除く): 175390908

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 113, 140, 210, 226, 339, 420, 452, 565, 678, 791, 1130, 1356, 1582, 1657, 1695, 2260, 2373, 3164, 3314, 3390, 3955, 4746, 4971, 6628, 6780, 7910, 8285, 9492, 9942, 11599, 11865, 15820, 16570, 19884, 23198, 23730, 24855, 33140, 34797, 46396, 47460, 49710, 57995, 69594, 99420, 115990, 139188, 173985, 187241, 231980, 347970, 374482, 561723, 695940, 748964, 936205, 1123446, 1310687, 1872410, 2246892, 2621374, 2808615, 3744820, 3932061, 5242748, 5617230, 6553435, 7864122, 11234460, 13106870, 15728244, 19660305, 26213740, 39320610, 78641220]

約数ペア:

[(1, 78641220), (2, 39320610), (3, 26213740), (4, 19660305), (5, 15728244), (6, 13106870), (7, 11234460), (10, 7864122), (12, 6553435), (14, 5617230), (15, 5242748), (20, 3932061), (21, 3744820), (28, 2808615), (30, 2621374), (35, 2246892), (42, 1872410), (60, 1310687), (70, 1123446), (84, 936205), (105, 748964), (113, 695940), (140, 561723), (210, 374482), (226, 347970), (339, 231980), (420, 187241), (452, 173985), (565, 139188), (678, 115990), (791, 99420), (1130, 69594), (1356, 57995), (1582, 49710), (1657, 47460), (1695, 46396), (2260, 34797), (2373, 33140), (3164, 24855), (3314, 23730), (3390, 23198), (3955, 19884), (4746, 16570), (4971, 15820), (6628, 11865), (6780, 11599), (7910, 9942), (8285, 9492)]